Gayatri Mantra is also known as the Savitri mantra is a highly revered mantra from the Rig Veda.
Gayatri Mantra is the foremost mantra in hinduism and hindu beliefs, inspires wisdom.
For Gayatri mantra or any other mantras, aarti, chalisa, ved puran you can go to :
http://www.shreeshreeshaktiparivaar....pedia/mantras/